diff --git a/vcgencmd/vcgencmd.py b/vcgencmd/vcgencmd.py
index d8881b7..a74bda8 100644
--- a/vcgencmd/vcgencmd.py
+++ b/vcgencmd/vcgencmd.py
@@ -32,7 +32,7 @@ def get_sources(self, typ):
 		return self.__sources.get(typ)
 
 	def vcos_version(self):
-		out = self.self.__verify_command("vcos version", "", [""])
+		out = self.__verify_command("vcos version", "", [""])
 		return str(out)
 
 	def vcos_log_status(self):